Features: Constructed of aluminum alloy with a hard-anodized surface. This keychain light with mini size and lightweight, easy to carry. Can be put into the handbag, wallet or pocket. Superior bright lightness and cover a long beam distance. ON/OFF only by rotating the light heads with one-handed easy operation. Suitable for camping, night walking or outdoor adventure activities. Specifications: Material: aluminium alloy Color: silver; red; purple; green; blue; Black; gold(optional) Light source: 1pcs 1W LEDs Maximum range: within 50m Battery: built-in 4 * 1.5V/33mAh LR41 Item weight: 17g / 0.6ounce Item size: 60 * 13mm / 2.36 * 0.51in Package weight: 20g / 0.71ounce Package size: 65 * 20 * 20mm / 2.56 * 0.79 * 0.79in Note: Please take out the insulating slice before use. Packing List: 1 * Keychain